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Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Dividends on common share (in dollars per share)	$ 0.21	$ 0.21
Common Stock [Member]
Common shares released from Employee Benefit Trust, shares (in shares)	5,682	116,414
Restricted stock unit awards vested, shares (in shares)	248,896	272,946
Treasury Stock [Member]
Purchase of treasury shares (in shares)		142,405
Repurchase of shares to satisfy tax obligation, shares (in shares)	70,292	74,145

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Aggregate dividends paid during the period for each share of common stock outstanding.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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